Rivers in North Dakota

Little Missouri River at Marmarth

Slope County, North DakotaNWS MTHN8USGS 06335500Bismarck office

Below flood stage
0.89ftStage

Observed Sun, Sep 27, 6:00 PM MDT

Flood stage
18.00 ft
Record crest
23.40 ft1952

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood30.00 ft
Moderate flood23.00 ft
Minor flood18.00 ft
Action16.00 ft
  1. 30.00 ftCity of Marmarth will flood due to dike being overtopped at this height.
  2. 18.00 ftFlooding confined to grasslands used by ranchers in the area.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Crest history

33 crests on NOAA’s list since 1913.

#DateStage
1March 31, 195223.40 ft
2March 23, 194721.70 ft
3March 1, 191321.50 ft
4May 23, 201121.11 ft
5May 1, 192920.20 ft
6March 1, 192019.70 ft
7February 20, 194319.50 ft
8March 12, 197218.30 ft
9April 5, 194417.80 ft
10March 27, 197817.33 ft
11April 17, 200916.85 ft
12May 8, 197516.75 ft
13March 24, 201916.54 ft
14June 5, 197116.31 ft
15May 13, 199514.30 ft
16April 7, 195014.20 ft
17March 20, 199714.00 ft
18March 11, 201413.80 ft
19May 10, 196713.59 ft
20April 24, 200613.42 ft
21April 15, 201812.42 ft
22September 8, 201312.35 ft
23May 9, 200812.20 ft
24June 7, 200711.18 ft
25March 8, 20208.97 ft

Most recent crests

  • February 27, 2021: 2.48 ft
  • March 8, 2020: 8.97 ft
  • March 24, 2019: 16.54 ft
  • April 15, 2018: 12.42 ft
  • February 21, 2017: 7.25 ft
  • September 25, 2016: 5.05 ft
  • June 22, 2015: 8.37 ft
  • March 11, 2014: 13.80 ft
  • September 8, 2013: 12.35 ft
  • March 13, 2012: 4.12 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River Forecasts typically include ONLY 2 days of future rain from <u>forecast issuance time</u> (lower right of graph). Occasionally 3 days of future rain included.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.